Caution!
- Refer to notes on the hazards involved in handling brake fluid.
- Do not operate the brake when dismantled.
Drain the brake system.
![](https://motoinstruction.ru/img/bmw/10/116990.jpg)
Disengage piston thrust rod (3).
Disconnect brake line (5).
Disconnect hose from reservoir (4).
Remove fasteners (6) securing brake master cylinder.
Installation is the reverse of the removal procedure: pay particular attention to the following.
Secure brake line to brake master cylinder.
Caution!
- Top up brake fluid and bleed brake system.
- Operate brake several times until brake pads rest on disc.
Play at piston thrust rod: 0.5...1.5 mm (0.02...0.06 in).
Tightening torque:
- Brake line at master cylinder: 18 Nm
- Brake master cylinder to frame: 9 Nm